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Gabbro is known in the construction industry by the trade name of black granite. [31] However, gabbro is hard and difficult to work, which limits its use. [32] The term "indigo gabbro" is used as a common name for a mineralogically complex rock type often found in mottled tones of black and lilac-grey.
True indigo is a shrub 1–2 metres (3 ft 3 in – 6 ft 7 in) high. It may be an annual, biennial, or perennial, depending on the climate in which it is grown. It has light green pinnate leaves and sheafs of pink or violet flowers. The rotenoids deguelin, dehydrodeguelin, rotenol, rotenone, tephrosin and sumatrol can be found in I. tinctoria. [3]
Common names include Chinese indigo, Japanese indigo and dyer's knotweed. [2] [3] [4] It is native to Eastern Europe and Asia. The leaves are a source of indigo dye. It was already in use in the Western Zhou period (c. 1045 BC – 771 BC), and was the most important blue dye in East Asia until the arrival of Indigofera from the south.
Indigo dye is an organic compound with a distinctive blue color. Indigo is a natural dye obtained from the leaves of some plants of the Indigofera genus, in particular Indigofera tinctoria. Dye-bearing Indigofera plants were once common throughout the world. It is now produced via chemical routes. Blue colorants are rare.
Oils and the belief that they had healing properties, along with other beliefs of the time, are described by Dioscorides in his De Materia Medica, written in the 1st century A.D. [7] Distilled cedarwood oil was used by the ancient Egyptians, and the process of distilling essential oils like rose essence was refined by the 11th century Persian ...
Labradorite occurs in mafic igneous rocks and is the feldspar variety most common in basalt and gabbro. The uncommon anorthosite bodies are composed almost entirely of labradorite. [ 4 ] It also is found in metamorphic amphibolites and as a detrital component of some sediments.
Traditional Brazilian medicine (Portuguese: Medicina indígena) includes many native South American elements, and imported African ones. It is predominantly used in areas where indigenous groups and African descendants reside, like in the northeast coast, nearly all interior regions including Amazon regions, savannahs, rainforest, foothills, and Pantanal.
For the Chumash people, spiritual practices played an equally important role as medicinal plants in the healing process. Body, mind, and spirit were seen as indistinguishable, so treatments had to account for all aspects of the self to be effective. The first remedies focused on the spiritual to open the mind and body to healing. [4]